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| //===-- MinidumpTypes.cpp ---------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "MinidumpTypes.h"
// C includes
// C++ includes
using namespace lldb_private;
using namespace minidump;
// MinidumpMiscInfo
const MinidumpMiscInfo *MinidumpMiscInfo::Parse(llvm::ArrayRef<uint8_t> &data) {
const MinidumpMiscInfo *misc_info;
Status error = consumeObject(data, misc_info);
if (error.Fail())
return nullptr;
return misc_info;
}
llvm::Optional<lldb::pid_t> MinidumpMiscInfo::GetPid() const {
uint32_t pid_flag = static_cast<uint32_t>(MinidumpMiscInfoFlags::ProcessID);
if (flags1 & pid_flag)
return llvm::Optional<lldb::pid_t>(process_id);
return llvm::None;
}
// Linux Proc Status
// it's stored as an ascii string in the file
llvm::Optional<LinuxProcStatus>
LinuxProcStatus::Parse(llvm::ArrayRef<uint8_t> &data) {
LinuxProcStatus result;
result.proc_status =
llvm::StringRef(reinterpret_cast<const char *>(data.data()), data.size());
data = data.drop_front(data.size());
llvm::SmallVector<llvm::StringRef, 0> lines;
result.proc_status.split(lines, '\n', 42);
// /proc/$pid/status has 41 lines, but why not use 42?
for (auto line : lines) {
if (line.consume_front("Pid:")) {
line = line.trim();
if (!line.getAsInteger(10, result.pid))
return result;
}
}
return llvm::None;
}
lldb::pid_t LinuxProcStatus::GetPid() const { return pid; }
std::pair<llvm::ArrayRef<MinidumpMemoryDescriptor64>, uint64_t>
MinidumpMemoryDescriptor64::ParseMemory64List(llvm::ArrayRef<uint8_t> &data) {
const llvm::support::ulittle64_t *mem_ranges_count;
Status error = consumeObject(data, mem_ranges_count);
if (error.Fail() ||
*mem_ranges_count * sizeof(MinidumpMemoryDescriptor64) > data.size())
return {};
const llvm::support::ulittle64_t *base_rva;
error = consumeObject(data, base_rva);
if (error.Fail())
return {};
return std::make_pair(
llvm::makeArrayRef(
reinterpret_cast<const MinidumpMemoryDescriptor64 *>(data.data()),
*mem_ranges_count),
*base_rva);
}
|